Jaramillo Urrutia, Ignacio, and Luz Esperanza Bustos Sierra. “Research Report Group Learning Environments Competences of the Tutor in Virtual Learning Environments, Based on the Student’s Social Imaginary”. Praxis Pedagógica 6, no. 7 (February 1, 2006): 78–87. Accessed October 29, 2026. https://revistas.uniminuto.edu/index.php/praxis/article/view/1453.